Recent questions tagged quantifiers

1 1 vote
0 0 answers
204
204 views
Let $\mathrm{L}(x, y)$ be the statement "$x$ loves $y$" where the domain for both $x$ and $y$ consists of all people in the world. Use quantifiers to express "Joy is love...
1 1 vote
1 1 answer
284
284 views
The statement $\mathrm{P}(x)$: "$\mathrm{x}=\mathrm{x}^{2}$". If the universe of disclosure consists of integers, what are the following have truth values:$\mathrm{P}(0)$...
0 0 votes
1 answers 1 answer
260
260 views
Compare the following:∀x∈Z, ∃y∈Z, x+y=0 and ∃y∈Z, ∀x∈Z, x+y=0 . Are both statements logically equivalent? 
1 1 vote
0 0 answers
572
572 views
0 0 votes
0 0 answers
1.2k
1.2k views
Let P(x) be the statement “x has a cell phone” and M(x,y) be the statement “x and y have texted over the cell phone,” where the domain for the variables x and y consists ...
1 1 vote
2 2 answers
1.4k
1.4k views
Let the predicates $D(x,y)$ mean “team $x$ defeated team $y$” and $P(x,y)$ mean “team $x$ has played team $y$”. The quantified formula for the statement that there is a t...
0 0 votes
0 0 answers
1.2k
1.2k views
Let S(x) be the predicate "x is a student",T(x) be the predicate "x is a teacher"and Q(x,y) be the predicate "x has asked y a question" where the domain consists of all p...
0 0 votes
0 0 answers
677
677 views
Q) There is somebody whom no one loves L(x,y) : x loves y.Doubt:-Does ∀x ∃y ~L(x,y) will be same as ∃x ∀y ~L(y,x) or both are different...
0 0 votes
0 0 answers
606
606 views
Let L(x, y) be the statement “x loves y,” where the domainfor both x and y consists of all people in the world.Use quantifiers to express each of these statements.g) Ther...
1 1 vote
0 0 answers
1.2k
1.2k views
Let T (x, y) mean that student x likes cuisine y, where thedomain for x consists of all students at your school andthe domain for y consists of all cuisines. Express each...
1 1 vote
2 answers 2 answers
3.9k
3.9k views
The equivalence of $\neg \exists x \; Q (x)$ is$\exists x \: \neg Q (x)$$\forall x \: \neg Q (x)$$\neg \exists \: x \;\neg Q (x)$$\forall x \: Q (x)$
0 0 votes
1 1 answer
1.7k
1.7k views
Express each of these system specifications using predicates,quantifiers, and logical connectivesb) Whenever there is an active alert, all queued messagesare transmitted....
0 0 votes
1 1 answer
2.6k
2.6k views
Express each of these system specifications using predicates,quantifiers, and logical connectives.c) The file system cannot be backed up if there is a usercurrently logge...
1 1 vote
2 2 answers
4.3k
4.3k views
Let S(x) be the predicate “x is a student,” F(x) the predicate“x is a faculty member,” and A(x, y) the predicate“x has asked y a question,” where the domain consists ofal...
0 0 votes
1 1 answer
12.4k
12.4k views
Q)Consider these statements, of which the first three are and fourth is a valid conclusion."All hummingbirds are richly colored.""No large birds live on honey.""Birds tha...
1 1 vote
0 0 answers
587
587 views
Which one of the expression of universal quantifier is ambiguous?For allFor everyall offor eachfor anyfor arbitrary
1 1 vote
1 1 answer
1.7k
1.7k views
A = ∃x (P(x) ^ Q(x)).B = ∃x P(x) ^ ∃x Q(x).Which is correct?a) A = Bb) B = Ac) A <= Bd) None of ThesePlease Explain.
0 0 votes
0 0 answers
716
716 views
A = ∃x(P(x)^Q(x))B = ∃x P(x) ^ ∃x Q(x), which is correct?a) A <= Bb) A = Bc) B = Ad) None of ThesePlease Explain.
0 0 votes
0 0 answers
1.3k
1.3k views
43. Determine whether ∀x(P(x)→Q(x)) and ∀xP (x)→∀xQ(x) are logically equivalent. Justify your answer.44. Determine whether ∀x(P(x)↔Q(x)) and ∀ x P (x) ↔ ∀ xQ(x) are logic...
1 1 vote
0 0 answers
1.3k
1.3k views
Find a common domain for the variables x, y, z,and w for which the statement $∀x∀y∀z∃w((w \neq x) ∧ (w \neq y) ∧ (w \neq z))$ is true and another common domainfor these...
3 3 votes
1 1 answer
1.2k
1.2k views
This is not a direct question from Rosen but a question that popped up in my head as I was solving problems from Rosen.1) ∀x∃y(x≠y → M(x,y))2) ∀x∃y(x≠y ∧ M(x,y))Here the ...
0 0 votes
0 0 answers
1.2k
1.2k views
Express using predicate,quantifies and connectives:-The diagnostic monitor tracks status of all systems except main console
1 1 vote
1 answers 1 answer
492
492 views
$\forall \: x \: \exists \: y \: [ x + y = 2 \wedge 2x - y = 1 ]$. Truth value of this statement is :TFBoth T and FNeither T nor F
1 1 vote
1 answers 1 answer
730
730 views
3 3 votes
2 answers 2 answers
1.8k
1.8k views
Everyone has exactly one best friendAre all three below same?Let B(x, y) to be the statement “y is the best friend of x"$ ∀x∃y(B(x, y) ∧ ∀z((z = y)→¬B(x, z))) $$ ∀x ∃!y (...
4 4 votes
0 0 answers
1.6k
1.6k views
Every real number except zero has a multiplicative inverseAre both the statements same?$ ∀x((x != 0) → ∃y(xy = 1)) $$ ∀x ∃y ((x != 0) → (xy = 1)) $
1 1 vote
1 1 answer
938
938 views
The restriction of a universal quantification is the same as the universal quantificationof a conditional statement. For instance, ∀x < 0 (x2 0) is another way of expres...
To see more, click for the full list of questions or popular tags.